The Heretics (2017) is a Canadian supernatural horror film directed by Chad Archibald that blends psychological terror, body horror, and cult mythology into a disturbing survival story. The movie focuses on trauma, belief, and the frightening idea that destiny can be forced upon someone through violence and ritual.
DETAILED PLOT SUMMARY
The film opens by introducing Gloria, a young woman living a quiet, fragile life after surviving a traumatic experience that left deep emotional scars. She struggles with anxiety, isolation, and a sense that something is always watching her. Her boyfriend Reed and her friend Joan try to help her feel normal again, encouraging her to go out, socialize, and stop living in constant fear.
Despite their efforts, Gloria remains uneasy, especially when she starts noticing strange symbols, unfamiliar faces, and the unsettling feeling of being followed. These early moments establish a slow, creeping tension that hints at something much darker lurking in the background.
THE KIDNAPPING
One night, while Gloria is walking alone, she is suddenly attacked and kidnapped by a group of people dressed in pale, ghost-like robes. They bind her, drug her, and transport her deep into a dense, isolated forest far from civilization. When she wakes up, she finds herself chained inside a crude wooden structure, surrounded by flickering candles, carved symbols, and cold, silent figures watching her every move.
The cult members believe Gloria is the “chosen one” in an ancient prophecy. According to their leader, a dark supernatural entity needs a human vessel to be reborn, and Gloria’s past trauma and emotional “brokenness” make her the perfect host.
CAPTIVITY AND MENTAL TORMENT
As days pass, Gloria is subjected to psychological torture rather than constant physical abuse. The cult feeds her strange food, forces her to listen to whispered chants, and exposes her to disturbing rituals meant to “prepare” her body and mind for transformation.
She begins experiencing hallucinations and violent visions. Shadows move on their own. She hears voices calling her name in the forest. Her dreams blend into reality, making it impossible for her to tell what is real and what is part of the cult’s manipulation.
Her body starts to change—her skin becomes pale and marked, her strength fluctuates, and she feels an unnatural presence growing inside her.
THE SEARCH FOR GLORIA
Meanwhile, Reed and Joan realize Gloria has gone missing. When the police dismiss the case as a possible runaway situation, they take matters into their own hands. They start retracing her steps, questioning locals, and following small clues that lead them toward the forest.
Their search is filled with ominous signs—abandoned campsites, strange markings on trees, and unsettling encounters with silent figures watching them from a distance. The deeper they go, the more they realize they are stepping into something far more dangerous than a simple kidnapping.
THE RITUAL BEGINS
Back in the cult’s camp, the leader announces that the final ritual is approaching. Gloria is brought to a clearing in the forest, surrounded by cult members holding candles and chanting in unison. They carve symbols into the ground and into their own skin, believing their sacrifice will complete the transformation.
At this point, Gloria’s condition worsens dramatically. She screams in pain as the entity inside her begins to take control. Her movements become violent and unnatural, and her voice changes, as if something else is speaking through her.
RESCUE AND CHAOS
Reed and Joan finally find the cult’s location and attempt a desperate rescue. Their arrival throws the ritual into chaos. A violent confrontation breaks out between them and the cult members, leading to injuries and death on both sides.
In the middle of the struggle, Gloria fully transforms. The supernatural force within her reveals its true power. She becomes something no longer entirely human—strong, fast, and terrifyingly calm.
THE FINAL REVELATION
In the film’s final moments, it becomes clear that the cult’s prophecy was not entirely false. The entity has successfully taken hold, but not in the way the cult expected. The cult is destroyed, Reed and Joan are left in shock, and Gloria stands alone, changed forever.
The ending is deliberately ambiguous, leaving viewers to question whether Gloria has become a victim, a monster, or something in between—a symbol of how trauma and belief can reshape a person into something unrecognizable.
THEMES AND MEANING
The Heretics goes beyond simple horror and explores:
- Trauma as a gateway for manipulation
- The danger of blind faith and cult mentality
- Loss of identity and transformation through suffering
- The thin line between victim and monster
FINAL THOUGHTS
The Heretics (2017) is not a fast-paced horror film meant for casual viewers. It is a slow, unsettling descent into psychological and supernatural terror, filled with disturbing imagery and emotional weight. Fans of cult horror, atmospheric storytelling, and dark, ambiguous endings will find this movie deeply memorable and chilling long after the credits roll.

